Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-23 Thread Marcus Granado
On 22/06/15 02:20, Bob Liu wrote: On 06/09/2015 10:07 PM, Roger Pau Monné wrote: El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit: ... Roger, I put them (patches) on devel/for-jens-4.2 on git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git I think these two patches: drivers

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-22 Thread Konrad Rzeszutek Wilk
On Mon, Jun 22, 2015 at 09:20:04AM +0800, Bob Liu wrote: > > On 06/09/2015 10:07 PM, Roger Pau Monné wrote: > > El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit: > ... > >> Roger, I put them (patches) on devel/for-jens-4.2 on > >> > >> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/x

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-21 Thread Bob Liu
On 06/09/2015 10:07 PM, Roger Pau Monné wrote: > El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit: ... >> Roger, I put them (patches) on devel/for-jens-4.2 on >> >> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git >> >> I think these two patches: >> drivers: xen-blkback: delay

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-19 Thread Konrad Rzeszutek Wilk
On Tue, Jun 09, 2015 at 10:21:27AM -0400, Konrad Rzeszutek Wilk wrote: > On Tue, Jun 09, 2015 at 04:07:33PM +0200, Roger Pau Monn? wrote: > > El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit: > > > On Tue, Jun 09, 2015 at 08:52:53AM +, Paul Durrant wrote: > > >>> -Original Message--

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-09 Thread Konrad Rzeszutek Wilk
On Tue, Jun 09, 2015 at 04:07:33PM +0200, Roger Pau Monné wrote: > El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit: > > On Tue, Jun 09, 2015 at 08:52:53AM +, Paul Durrant wrote: > >>> -Original Message- > >>> From: Bob Liu [mailto:bob@oracle.com] > >>> Sent: 09 June 2015 09

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-09 Thread Roger Pau Monné
El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit: > On Tue, Jun 09, 2015 at 08:52:53AM +, Paul Durrant wrote: >>> -Original Message- >>> From: Bob Liu [mailto:bob@oracle.com] >>> Sent: 09 June 2015 09:50 >>> To: Bob Liu >>> Cc: xen-devel@lists.xen.org; David Vrabel; just...@

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-09 Thread Bob Liu
On 06/09/2015 09:39 PM, Konrad Rzeszutek Wilk wrote: > On Tue, Jun 09, 2015 at 08:52:53AM +, Paul Durrant wrote: >>> -Original Message- >>> From: Bob Liu [mailto:bob@oracle.com] >>> Sent: 09 June 2015 09:50 >>> To: Bob Liu >>> Cc: xen-devel@lists.xen.org; David Vrabel; just...@spec

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-09 Thread Konrad Rzeszutek Wilk
On Tue, Jun 09, 2015 at 08:52:53AM +, Paul Durrant wrote: > > -Original Message- > > From: Bob Liu [mailto:bob@oracle.com] > > Sent: 09 June 2015 09:50 > > To: Bob Liu > > Cc: xen-devel@lists.xen.org; David Vrabel; just...@spectralogic.com; > > konrad.w...@oracle.com; Roger Pau Monn

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-09 Thread Paul Durrant
> -Original Message- > From: Bob Liu [mailto:bob@oracle.com] > Sent: 09 June 2015 09:50 > To: Bob Liu > Cc: xen-devel@lists.xen.org; David Vrabel; just...@spectralogic.com; > konrad.w...@oracle.com; Roger Pau Monne; Paul Durrant; Julien Grall; linux- > ker...@vger.kernel.org > Subject:

Re: [Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-09 Thread Bob Liu
On 06/03/2015 01:40 PM, Bob Liu wrote: > Extend xen/block to support multi-page ring, so that more requests can be > issued by using more than one pages as the request ring between blkfront > and backend. > As a result, the performance can get improved significantly. > > We got some impressive im

[Xen-devel] [PATCH 3/3] xen/block: add multi-page ring support

2015-06-02 Thread Bob Liu
Extend xen/block to support multi-page ring, so that more requests can be issued by using more than one pages as the request ring between blkfront and backend. As a result, the performance can get improved significantly. We got some impressive improvements on our highend iscsi storage cluster back